Verses with the word mourn in the New Testament (6 verses):
Matthew 5:4
Blessed are they that mourn: for they shall be comforted.
Matthew 9:15
And Jesus said unto them, Can the children of the bridechamber mourn, as long as the bridegroom is with them? but the days will come, when the bridegroom shall be taken from them, and then shall they fast.
Matthew 24:30
And then shall appear the sign of the Son of man in heaven: and then shall all the tribes of the earth mourn, and they shall see the Son of man coming in the clouds of heaven with power and great glory.
Luke 6:25
Woe unto you that are full! for ye shall hunger. Woe unto you that laugh now! for ye shall mourn and weep.
James 4:9
Be afflicted, and mourn, and weep: let your laughter be turned to mourning, and your joy to heaviness.
Revelation 18:11
And the merchants of the earth shall weep and mourn over her; for no man buyeth their merchandise any more:
art